14/07/2016

Defining what it means to be a naive stem cell

Whitehead Institute scientists have created a checklist that defines the "naive" state of cultured human embryonic stem cells (ESCs). Such cells can mature into almost any cell type and more closely resemble the unique molecular ...

Butterflies' diet impacts evolution of traits

Why do some organisms within a single species have many offspring, while others have relatively few? A new study led by University of Minnesota researcher Emilie Snell-Rood finds that access to some nutrients may be a star ...

Measuring arsenic in Bangladesh's rice crops

Naturally-occurring arsenic in Bangladesh's groundwater has been identified as one of the world's great humanitarian disasters, with millions people at risk of cancers and other diseases from drinking water and eating rice ...

Too busy to text: Messaging app Line bets on stickers

A year ago, Siobhan Stollznow would have scoffed at the idea of using cartoon characters instead of words to chat with friends on her smartphone—until she got hooked on messaging app Line.

Warm Jupiters not as lonely as expected

After analyzing four years of Kepler space telescope observations, astronomers from the University of Toronto have given us our clearest understanding yet of a class of exoplanets called "Warm Jupiters", showing that many ...

Cell death: How a protein drives immune cells to suicide

For some pathogens, attack is the best form of defense—they enter immune cells of the human body. However, if they are detected in their hidden niche, the infected cell kills itself to re-expose the pathogens. In the EMBO ...

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